Solar and stellar system tests of the cosmological constant

Mauro Sereno and Philippe Jetzer
Phys. Rev. D 73, 063004 – Published 9 March 2006

Abstract

Some tests of gravity theories—periastron shift, geodetic precession, change in mean motion and gravitational redshift—are applied in solar and stellar systems to constrain the cosmological constant. We thus consider a length scale range from 108 to 1015km. Best bounds from the solar system come from perihelion advance and change in mean motion of Earth and Mars, Λ1036km2. Such a limit falls very short to estimates from observational cosmology analyses but a future experiment performing radio ranging observations of outer planets could improve it by 4 orders of magnitude. Beyond the solar system, together with future measurements of periastron advance in wide binary pulsars, gravitational redshift of white dwarfs can provide bounds competitive with Mars data.

  • Received 7 February 2006

DOI:https://doi.org/10.1103/PhysRevD.73.063004

©2006 American Physical Society

Authors & Affiliations

Mauro Sereno* and Philippe Jetzer

  • Institut für Theoretische Physik, Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland

  • *Electronic address: sereno@physik.unizh.ch
  • Electronic address: jetzer@physik.unizh.ch

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Issue

Vol. 73, Iss. 6 — 15 March 2006

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